An Adaptive Finite Element Scheme for the Hellinger–Reissner Elasticity Mixed Eigenvalue Problem

Fleurianne Bertrand, Daniele Boffi, Rui Ma

Research output: Contribution to journalArticlepeer-review

Abstract

Abstract In this paper, we study the approximation of eigenvalues arising from the mixed Hellinger–Reissner elasticity problem by using a simple finite element introduced recently by one of the authors. We prove that the method converges when a residual type error estimator is considered and that the estimator decays optimally with respect to the number of degrees of freedom. A postprocessing technique originally proposed in a different context is discussed and tested numerically.
Original languageEnglish (US)
JournalComputational Methods in Applied Mathematics
DOIs
StatePublished - Feb 2 2021

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